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Webservice is failing after instrumentation of DX APM .Net agent.


Article ID: 190426


Updated On:


CA Application Performance Management Agent (APM / Wily / Introscope) CA Application Performance Management (APM / Wily / Introscope) INTROSCOPE DX Application Performance Management


We instrumented the DX APM agent of version 11. The user was unable to login via is ADID (Active Directory), getting the below error

"WebServices|Client||getUserAuthentication: System.IO.FileLoadException: Loading this assembly would produce a different grant set from other instances. (Exception from HRESULT: 0x80131401)"

We found a KB article"" related to error and made registry changes accordingly. Now after making the changes, below is DNS error coming up for the server while the user trying to log in to the application.

"The remote name could not be resolved:"



Release : 10.7.0

Component : APM Agents


Even after the complete uninstallation of the agent, DNS issue still persists. Customer needs to check with the network/server team for the issue.